Patents by Inventor David T Bernstein

David T Bernstein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6497410
    Abstract: A collectible trading card, investment game using a set of trading cards, and a method of playing the investment game designed to raise awareness in the concepts of investing in the equities market. Each trading card features a unique publicly traded corporate business entity and includes printed indicia including at least one of corporate, product, service and financial information of a corporate business entity associated with the card and represents at least one theoretical share of stock in a corporate business entity. The printed indicia allows a collector to engage in a trade of at least one card to another collector based on at least the actual stock price of the corporate business entity associated with the card.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: December 24, 2002
    Assignee: BetzBern Inc.
    Inventors: David T Bernstein, Brian N King, Dennis L. Betz, Jr.
  • Patent number: 5197626
    Abstract: A compartmentalized waiter tray comprised of a light weight, hand carried device which functions in conjunction with a plurality of drink receptacles, or other glasses, removably retained within a plurality of compartments of an industry standard dishwashing rack to provide a quick and easy method for transporting the glasses without subsequent drink receptacle migration due to gravity and inertia and to position the drink receptacles for filling with ice or fluent drinking matter of both via automatic or semi-automatic methods; and the compartmentalized waiter tray is formed with a plurality of compartments extending above the upper surface of the tray in a pre-defined pattern to match the pre-defined pattern which the plurality of drink receptacles occupy within a plurality of compartments of the industry standard dishwashing rack; the plurality of compartments of the compartmentalized waiter tray further comprising an upper surface, internal partitions (which extend upward less than one quarter of the heig
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: March 30, 1993
    Inventor: David T. Bernstein
  • Patent number: 4972886
    Abstract: An ice distribution system comprises a light weight, hand carried ice distribution tray which functions in conjunction with a plurality of glasses, or other drink receptacles, removably retained by a base assembly, or industry standard dishwashing rack, or both to provide a quick easy system for distributing ice, or fluent drinking matter, or both to the plurality of drink receptacles; and the ice distribution tray thereof is formed with a plurality of apertures formed through the bottom of the tray, which plurality of apertures are arranged in a predefined pattern to match the pattern which the plurality of drink receptacles occupy on the base assembly, or industry standard dishwashing rack, or both, and is also formed with short protruding lip members extending from each of the plurality of apertures which maintain the plurality of apertures in alignment with the plurality of drink receptacles during the process of filling the plurality of drink receptacles with ice, or fluent drinking matter, or both.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: November 27, 1990
    Inventor: David T. Bernstein
  • Patent number: D307997
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: May 22, 1990
    Inventor: David T. Bernstein
  • Patent number: D329289
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: September 8, 1992
    Inventors: David T. Bernstein, Claude Chapuis